Seiko Cal. 5287 - 432

This Spring Drive model from 1978 features a 40mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-2db8132b2a24]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1978

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